NASA Science Simulations

Play interactive science activities. 

Atmosphere | NASA Online
Atmosphere | NASA Online

Interactive

The Earth is surrounded by a thin envelope of gases called the atmosphere. More than 500 active volcanoes erupt around the world affecting the Earth's atmosphere and global climate.
Brain Teasers | NASA Online
Brain Teasers | NASA Online

Interactive

These brain teasers can help you develop your creative thinking, an important skill for inventors. Try out the brain teaser game.
Circuits | NASA Online
Circuits | NASA Online

Interactive

When you flip a light switch on and off, you are closing and opening a circuit. A circuit is the path that electricity follows. Play the interactive above to learn more.
Drag | NASA Online
Drag | NASA Online

Interactive

If you have ever put your hand outside the window of a moving car, you have experienced drag. Watch the simulation.
How Sound Travels | NASA Online
How Sound Travels | NASA Online

Interactive

The speed at which sound travels from one place to another depends upon the medium and how closely packed the molecules are in the matter. Learn more about how sound travels from the simulation.
Lift | NASA Online
Lift | NASA Online

Interactive

An upward force called lift, acts on the airplane and opposes the downward forces of gravity. The lift force allows the airplane to get off the ground and stay in the air. Watch the simulation.